New UI (#367)

* Add Flipper

* Remove old UI

* Add boilerplate UI

* Change plugin version

* Merge upstream

* Bunch of new UI changes

Too lazy to list them all in individual commits

* Touch ripple for buttons and a few other things

* Make the close button on the PluginGui work

* Set button state to guiEnabled

* Implement Connecting, NotConnected; add Header; don't update plugin button on render

* Replace mapLerpColor with mapLerp

* Update blendAlpha to be 0 without any values

* Add ActionFillTransparency to Theme.Button

* Suffix all Theme entries

* Update Flipper

* Add disconnect button

* Remove cancel button

* Add settings page

* Add scrollbar and dark theme support to settings

* Include settings in startSession

* Set context default value to nil

I always thought this was the name, lol...

* Add Error page

* Fix preloadAssets

* Fix preloadAssets import

* Update checkbox colors a little

* Add setting descriptions

* Fix scrolling frame in settings panel

* Remove .vscode

* Rename Throbber to Spinner

* Update merge

* Move Spinner images to assets

* Change casing of directories

* Remove old directories

* Add comments to getDerivedStateFromProps

* Account for offset in host TextBox size

* Turn width variables into constants

* Attempt to fix the comments

* Add a missing comma in Settings

* Remove a double space

* Remove Dummy object

* Move most of the Studio logic out of render

* Don't truncate port input

* Replace merge with Dictionary.merge

* Replace "Got it!" with "Okay"

* Add projectName to setStatus call

* Add Flipper to build.rs

plugin/src/App/Components/Spinner.lua

@@ -0,0 +1,66 @@
+local RunService = game:GetService("RunService")
+
+local Rojo = script:FindFirstAncestor("Rojo")
+local Plugin = Rojo.Plugin
+
+local Roact = require(Rojo.Roact)
+
+local Theme = require(Plugin.App.Theme)
+local Assets = require(Plugin.Assets)
+
+local ROTATIONS_PER_SECOND = 1.75
+
+local e = Roact.createElement
+
+local Spinner = Roact.PureComponent:extend("Spinner")
+
+function Spinner:init()
+	self.rotation, self.setRotation = Roact.createBinding(0)
+end
+
+function Spinner:render()
+	return Theme.with(function(theme)
+		return e("ImageLabel", {
+			Image = Assets.Images.Spinner.Background,
+			ImageColor3 = theme.Spinner.BackgroundColor,
+			ImageTransparency = self.props.transparency,
+
+			Size = UDim2.new(0, 24, 0, 24),
+			Position = self.props.position,
+			AnchorPoint = self.props.anchorPoint,
+
+			LayoutOrder = self.props.layoutOrder,
+			BackgroundTransparency = 1,
+		}, {
+			Foreground = e("ImageLabel", {
+				Image = Assets.Images.Spinner.Foreground,
+				ImageColor3 = theme.Spinner.ForegroundColor,
+				ImageTransparency = self.props.transparency,
+
+				Size = UDim2.new(1, 0, 1, 0),
+				Rotation = self.rotation:map(function(value)
+					return value * 360
+				end),
+
+				BackgroundTransparency = 1,
+			}),
+		})
+	end)
+end
+
+function Spinner:didMount()
+	self.stepper = RunService.RenderStepped:Connect(function(deltaTime)
+		local rotation = self.rotation:getValue()
+
+		rotation = rotation + deltaTime * ROTATIONS_PER_SECOND
+		rotation = rotation % 1
+
+		self.setRotation(rotation)
+	end)
+end
+
+function Spinner:willUnmount()
+	self.stepper:Disconnect()
+end
+
+return Spinner